User blog comment:Robohobo2481/the creepiest devil may cry enemy/@comment-11462520-20140914183226

Mundus's last appearance in DMC1 was brutal. All dem fleshy arms, the eyes, eew, he seemed like the father of all nobodies.

Nobodies themselves have a point on being directly gruesome and awful, and the fact that in regular gameplay they appear at equally disgusting/uncanny locations (mirror world, fleshy underworld, etc) helps the scary feeling towards them grow a lot. Also, their ape-like noises achieve to make the player feel uncomfortable, the way a noise so common in the human world comes from a creature so gross.

If we talk about the first game only, I'm going with the anonymous wikia contributor, in that shadows are the most scary, but not because of their intangibility, but because once you learn what they are and what they can do even in small numbers, you fear for your life at the minimal sight. Besides, Shadows appear at a point in the game that totally suits them: the main hall of the castle, in which you only expect to find marionettes (or blades on higher difficulties), strictly when the game has reached that point in which you run around in the night, and everything is surrounded by darkness. And what you hear, then, in that hall? You hear a single, far away dropping sound, the kind of sound that water drops make when falling off the sink, over, and over, and over, in the darkness.... and then, you're suddenly fighting 2-3 figures that you can't even see (sometimes you get surprised by a spear attack nonetheless). Scariest moment for scariest enemy IMO.

As for the rest of the games, there's no much of scariness but:

DMC2: Nefasturris's intro and all forms (so gross)

DMC3: Taking turns between Arachne, that are the most disturbing in my opinion because of their looks, and the Fallen, which can be feared mainly because the things are so unfairly tough, and when you finally break their wings, what you get? You get a disgusting, giant belly face with sharp teeth. Geesus christ lord almighty....

DMC4: The game with the less scary enemies in my opinion, except for... Faust and chimera seeds. Faust is my most favourite enemy ever in this game; the thing is not only though but a complete nightmare for not-evassive-kind-of-players like me in DMD mode, specially with Nero, when all the red fingers are summoned everywhere. Also, the intro scene for this thing is a 10/10: it tells you that it is gonna wreck you, and it does it with style. And for chimera seeds, if I find these scary is not because of their appearance in the game, but because, and only because, their potential. Maybe the game developers were too lazy to actually make a couple more chimera fusions (imagine a chimera frost, or a chimera blitz...who's gonna survive that?), but when you think about it, you realise these things can attach to EVERYTHING and can make EVERYTHING stronger. Faust? Giv'em a chimera seed. Death Scythe? Give it a chimera seed. Nobodies? Plz, give them a chimera seed. BOOM, suddenly you're screwed by enemies that you can only counter with bullets or with precise maenouvers before their spinning blades interrupt your combos. And don't even get me started on bosses with multiple chimera seeds attached... Also, if someone has seen the DMC4 artbook, you might have found that initially a "bloom" chimera or adult if you want, was going to be an enemy in game, having the appearance of an actual chimera (sort of a giant lion head with arms and spikes and a dragon tail) all made of the same vines and grass of a regular chimera. I never got why didn't they make this a thing in dmc4, but oh well....

Also, sorry for long comment XD, I take responsability for all the "too long, didn't read" comments I might get.